Initial commit

functions/kirki/modules/field-dependencies/class-kirki-modules-field-dependencies.php

@@ -0,0 +1,70 @@
+<?php
+/**
+ * Automatic field-dependencies scripts calculation for Kirki controls.
+ *
+ * @package     Kirki
+ * @category    Modules
+ * @author      Aristeides Stathopoulos
+ * @copyright   Copyright (c) 2017, Aristeides Stathopoulos
+ * @license    https://opensource.org/licenses/MIT
+ * @since       3.0.0
+ */
+
+// Exit if accessed directly.
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Adds styles to the customizer.
+ */
+class Kirki_Modules_Field_Dependencies {
+
+	/**
+	 * The object instance.
+	 *
+	 * @static
+	 * @access private
+	 * @since 3.0.0
+	 * @var object
+	 */
+	private static $instance;
+
+	/**
+	 * Constructor.
+	 *
+	 * @access protected
+	 * @since 3.0.0
+	 */
+	protected function __construct() {
+		add_action( 'customize_controls_enqueue_scripts', array( $this, 'field_dependencies' ) );
+	}
+
+	/**
+	 * Gets an instance of this object.
+	 * Prevents duplicate instances which avoid artefacts and improves performance.
+	 *
+	 * @static
+	 * @access public
+	 * @since 3.0.0
+	 * @return object
+	 */
+	public static function get_instance() {
+		if ( ! self::$instance ) {
+			self::$instance = new self();
+		}
+		return self::$instance;
+	}
+
+	/**
+	 * Enqueues the field-dependencies script
+	 * and adds variables to it using the wp_localize_script function.
+	 * The rest is handled via JS.
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function field_dependencies() {
+		wp_enqueue_script( 'kirki_field_dependencies', trailingslashit( Kirki::$url ) . 'modules/field-dependencies/field-dependencies.js', array( 'jquery', 'customize-base', 'customize-controls' ), KIRKI_VERSION, true );
+	}
+}